117270381 has 8 divisors (see below), whose sum is σ = 157972864. Its totient is φ = 77374080.

The previous prime is 117270379. The next prime is 117270409. The reversal of 117270381 is 183072711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117270381 - 2¹ = 117270379 is a prime.

It is a super-2 number, since 2×117270381² = 27504684519770322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117272381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201205 + ... + 201786.

It is an arithmetic number, because the mean of its divisors is an integer number (19746608).

Almost surely, 2^117270381 is an apocalyptic number.

It is an amenable number.

117270381 is a deficient number, since it is larger than the sum of its proper divisors (40702483).

117270381 is an equidigital number, since it uses as much as digits as its factorization.

117270381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403091.

The product of its (nonzero) digits is 2352, while the sum is 30.

The square root of 117270381 is about 10829.1449800988. The cubic root of 117270381 is about 489.4737944106.

The spelling of 117270381 in words is "one hundred seventeen million, two hundred seventy thousand, three hundred eighty-one".